Started to follow the faq to migrate my quickbox install files to github repository and ran into this issue.
Cloning into 'setup'...
remote: Counting objects: 2322, done.
remote: Compressing objects: 100% (963/963), done.
remote: Total 2322 (delta 1327), reused 2320 (delta 1325), pack-reused 0
Receiving objects: 100% (2322/2322), 103.08 MiB | 28.42 MiB/s, done.
Resolving deltas: 100% (1327/1327), done.
Checking connectivity... done.
fatal: reference is not a tree: 5547b3276a5c571602d49a45167dd98b8e2615a7
Unable to checkout '5547b3276a5c571602d49a45167dd98b8e2615a7' in submodule path 'setup'
I almost assume this is a known issue by now, but better be sure then not me thinks?